Amazon.com : JJC 72mm ND Filter ND2-2000 VND Variable Neutral Density Fader for Sigma 18-35mm f1.8, Nikon Z 24-70mm f4 S, Sony FE 16-35mm f4, Canon EF 35mm f1.4L II USM Lens
B+W 72mm XS-Pro Digital ND Vario MRC-Nano Filter 66-1075251 B&H
Amazon.com : K&F Concept 72mm Variable ND Filter ND2-ND32 Camera Lens Filter (1-5 Stops) No X Cross HD Neutral Density Filter with 28 Multi-Layer Coatings Waterproof (Nano-X Series) : Electronics
HOYA 72MM HD MK-II IRND 64 ND FILTER (6-STOP)
K&F Concept 72mm Fader ND Lens Filter Variable ND2 to ND32 for Camera no x Spot | eBay
Freewell 72mm Threaded Hard Stop Variable ND Filter All Day 2 to 5 Stop & 6 to 9 Stop - 2Pack